give several uses for the hair or fur on mammals
warmth, protection, camoflauge
What animals are part of the order Artiodactyla?
deer, elk, bison, sheep
What group of mammals are egg layers?
monotremes
What is the purpose of the placenta?
exchanges nutrients, wastes, and oxygen between mother and baby
name 2 marsupial mammals
kangaroo, koala, opossum, etc
name 2 characteristics of all mammals
mammary glands, fur, single boned lower jaws, endothermic, diaphragm, four-chambered hearts, specialized teeth
What animals are part of the order Perissodactyla?
horses, zebras, rhinos
What mammal group carries its young in a pouch?
marsupials
What mammal order lives entirely in water?
cetacea
echidnas & duck billed platypus are what type of mammals?
monotreme
where is the diaphragm located in mammals and what is its purpose?
just below lungs & heart; aids in breathing
What animals are part of the order Proboscidea?
African and Asian elephants
What group of mammals will remain inside the mother until they are completely developed?
placental
What mammal group had forelimbs modified into flippers?
sirenia
What are monotremes?
egg laying mammals
what type of teeth would carnivorous mammals have?
canines
What animals are part of the order Lagomorpha?
rabbits, hares, pikas
What are placental mammals?
largest group of mammals, presence of a placenta, fetus is carried in the uterus of the mother until a late stage on development
What type of teeth are found in deer?
incisors
What are ruminant animals?
animals that rechew their food
What determines the type of teeth a mammal will have?
what type of food they eat (herbivore, omnivore, carnivore)
What animals are part of the order Sirenian?
manatees, dugongs
What mammal group is immature & finishes developing in the mother's pouch?
marsupials
In what order are dogs found?
carnivora
Give 2 uses for the sounds that bats make? can humans hear these sounds?
navigation & to determine where objects are; no